ref_transaction_commit(): fix atomicity and avoid fd exhaustion

diff --git a/t/t7516-commit-races.sh b/t/t7516-commit-races.sh
index ed04d1c425e2a9ca5812e5ad7c8b2e3f45755fab..f2ce14e9071c0a3b071f53186c2d311103883443 100755 (executable)
--- a/t/t7516-commit-races.sh
+++ b/t/t7516-commit-races.sh
@@ -3,7 +3,7 @@
 test_description='git commit races'
 . ./test-lib.sh
 
-test_expect_failure 'race to create orphan commit' '
+test_expect_success 'race to create orphan commit' '
        write_script hare-editor <<-\EOF &&
        git commit --allow-empty -m hare
        EOF